serial: support for InstaShield IS-400 four port RS-232 PCI card

Add support for the InstaShield IS-400 four port RS-232 PCI card.
Signed-off-by: Ignacio García Pérez <iggarpe@t2i.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/serial/8250_pci.c

@@ -2602,7 +2602,12 @@ static struct pci_device_id serial_pci_tbl[] = {
 	{	PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS200,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,	/* 135a.0811 */
 		pbn_b2_2_115200 },
-
+	/*
+	 * IntaShield IS-400
+	 */
+	{	PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS400,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,    /* 135a.0dc0 */
+		pbn_b2_4_115200 },
 	/*
 	 * Perle PCI-RAS cards
 	 */

include/linux/pci_ids.h

@@ -1761,6 +1761,7 @@
 
 #define PCI_VENDOR_ID_INTASHIELD	0x135a
 #define PCI_DEVICE_ID_INTASHIELD_IS200	0x0d80
+#define PCI_DEVICE_ID_INTASHIELD_IS400	0x0dc0
 
 #define PCI_VENDOR_ID_QUATECH		0x135C
 #define PCI_DEVICE_ID_QUATECH_QSC100	0x0010